* Add repo type option to /api/repo/search

* Add tests and fix result of collaborative filter in specific condition

* Fix/optimize search & tests

* Improve integration tests

* Fix lint errors

* Fix unit tests

* Change and improve internal implementation of repo search

* Use NonexistentID

* Make search api more general

* Change mirror and fork search behaviour

* Fix tests & typo in comment

* Fix and remove FIXME

* Respect membership visibility

* Fix/rewrite searchRepositoryByName function

* Add unit tests

* Add integration tests

* Remove Searcher completely

* Remove trailing space

* Add more repo search tests

* Add and fix /api/repo/search integration tests

* Add owner to access table for organization repositories

* Remove tests